/* ===========================================================
   Marco Girardi — Portfolio
   Sistema de diseño
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --paper: #F0F2EC;
  --paper-2: #E5E9DF;
  --ink: #12231A;
  --ink-soft: #45564B;
  --green: #008000;
  --green-deep: #0B5A20;
  --green-ink: #0F1F14;
  --sage: #D8DED2;
  --line: rgba(18, 35, 26, 0.14);

  --display: 'Fraunces', serif;
  --body: 'Inter', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --max: 1120px;
  --gutter: clamp(20px, 5vw, 64px);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }

:focus-visible{
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.eyebrow{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-deep);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before{
  content: '';
  width: 16px;
  height: 1px;
  background: var(--green);
  display: inline-block;
}

/* ---------- Nav ---------- */
.site-nav{
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(240, 242, 236, 0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-nav .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.monogram{
  font-family: var(--display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0.01em;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.monogram .g{ color: var(--green); }
.monogram-tag{
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-left: 10px;
  text-transform: uppercase;
  display: none;
}
@media (min-width: 640px){ .monogram-tag{ display: inline; } }

.nav-links{
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  font-size: 14px;
}
.nav-links a{
  position: relative;
  padding-bottom: 3px;
}
.nav-links a.active,
.nav-links a:hover{
  color: var(--green-deep);
}
.nav-links a.active::after{
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 2px;
  background: var(--green);
}
.nav-cta{
  border: 1px solid var(--ink);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.nav-cta:hover{
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--body);
  font-weight: 600;
  font-size: 14.5px;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: var(--green);
  color: #fff;
}
.btn-primary:hover{ background: var(--green-deep); }
.btn-ghost{
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover{ border-color: var(--green); color: var(--green-deep); }

/* ---------- Hero ---------- */
.hero{
  position: relative;
  padding: clamp(64px, 11vw, 128px) 0 clamp(48px, 8vw, 96px);
  overflow: hidden;
}
.hero::before{
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 38px,
    var(--line) 38px,
    var(--line) 39px
  );
  mask-image: linear-gradient(to bottom, transparent, black 18%, black 82%, transparent);
  pointer-events: none;
}
.hero-inner{ position: relative; }
.hero h1{
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(48px, 9vw, 96px);
  line-height: 0.98;
  margin: 18px 0 22px;
  letter-spacing: -0.01em;
}
.hero h1 em{
  font-style: italic;
  color: var(--green);
}
.hero p.lede{
  max-width: 46ch;
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--ink-soft);
  margin: 0 0 36px;
}
.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

/* ---------- Ledger / focus list ---------- */
.section{
  padding: clamp(56px, 9vw, 96px) 0;
  border-top: 1px solid var(--line);
}
.section-head{
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: clamp(28px, 5vw, 48px);
  flex-wrap: wrap;
}
.section-head h2{
  font-family: var(--display);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 600;
  margin: 10px 0 0;
}
.section-head .desc{
  max-width: 42ch;
  color: var(--ink-soft);
  font-size: 15px;
}

.ledger{
  border-top: 1px solid var(--line);
}
.ledger-row{
  display: grid;
  grid-template-columns: 88px 200px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.ledger-row .code{
  font-family: var(--mono);
  font-size: 13px;
  color: var(--green-deep);
  letter-spacing: 0.06em;
}
.ledger-row .label{
  font-family: var(--display);
  font-weight: 600;
  font-size: 19px;
}
.ledger-row .note{
  color: var(--ink-soft);
  font-size: 14.5px;
}
@media (max-width: 720px){
  .ledger-row{
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 0;
  }
}

/* ---------- About ---------- */
.about-grid{
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(32px, 6vw, 72px);
}
@media (max-width: 820px){
  .about-grid{ grid-template-columns: 1fr; }
}
.about-grid .bio p{
  font-size: 16.5px;
  color: var(--ink-soft);
  margin: 0 0 16px;
}
.about-grid .bio p:first-child{
  font-family: var(--display);
  font-size: 22px;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.4;
}

/* ---------- Cards / work grid ---------- */
.work-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(20px, 3vw, 28px);
}
.card{
  display: block;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover{ border-color: var(--green); transform: translateY(-3px); }
.card-media{
  aspect-ratio: 4 / 3;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 18px;
}
.card-media .tag-index{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
}
.card-body{
  padding: 20px 22px 24px;
}
.card-body h3{
  font-family: var(--display);
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 8px;
}
.card-body p{
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 14px;
}
.card-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--sage);
  color: var(--green-ink);
}

/* placeholder media gradients — swap for real project images */
.grad-1{ background: linear-gradient(135deg, #0B5A20, #008000 55%, #3FA24C); }
.grad-2{ background: linear-gradient(135deg, #12231A, #0B5A20 70%); }
.grad-3{ background: linear-gradient(135deg, #46603D, #A9C79A); }
.grad-4{ background: linear-gradient(135deg, #008000, #C7D8B4); }
.grad-5{ background: linear-gradient(135deg, #0F1F14, #2E4A22 60%, #6B8F53); }
.grad-6{ background: linear-gradient(135deg, #3FA24C, #0B5A20); }

/* ---------- CTA band ---------- */
.cta-band{
  background: var(--green-ink);
  color: var(--paper);
  padding: clamp(56px, 9vw, 96px) 0;
}
.cta-band .wrap{
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: space-between;
  align-items: center;
}
.cta-band h2{
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  margin: 0;
  max-width: 16ch;
}
.cta-band .btn-ghost{
  border-color: rgba(240,242,236,0.5);
  color: var(--paper);
}
.cta-band .btn-ghost:hover{ border-color: #fff; color: #fff; }
.cta-band .btn-primary:hover{ background: #3FA24C; }

/* ---------- Footer ---------- */
footer{
  border-top: 1px solid var(--line);
  padding: 40px 0;
}
footer .wrap{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 13.5px;
  color: var(--ink-soft);
}
footer a:hover{ color: var(--green-deep); }

/* ---------- Portfolio page header ---------- */
.page-head{
  padding: clamp(56px, 9vw, 104px) 0 clamp(32px, 6vw, 56px);
}
.page-head h1{
  font-family: var(--display);
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 600;
  margin: 16px 0 18px;
  letter-spacing: -0.01em;
}
.page-head p{
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 17px;
}

/* ---------- Placeholder note (remove when you add real content) ---------- */
.build-note{
  border: 1px dashed var(--green);
  background: rgba(0,128,0,0.06);
  border-radius: 10px;
  padding: 14px 18px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--green-deep);
  margin-bottom: 36px;
  line-height: 1.6;
}